Title Genres Topics Date (Start) Date (End)
Spring 1994 field report, Randy Pinkston Field notes Bird watching Birds--Identification Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather Waterfowl 1994-03-01 1994-05-31
Mark Orsag forwarded email to Thomas H. Kent regarding a Hawk watch at Hitchcock Nature Area, fall 1998 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1998-08-01 1998-11-30
Field notes from the northwest corner of the state Field notes Essays Narratives (literary works) Bird watching Birds--Behavior Birds--Migration Birds--Nests Birdsongs N/A N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1974 Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Ron Muilenburg letter to Nicholas S. Halmi regarding bird sightings, June 8, 1977 Correspondence Field notes Bird populations Bird watching Birds--Migration 1977-06-08 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1976 Field notes Bird populations Bird watching Birds--Migration Birds--Research 1976-08-01 1976-11-30
1977 Spring Report, parts I and II Field notes Bird declines Bird populations Bird watching Birds--Migration 1977-03-01 1977-05-31
Spring migration, Iowa, 1972 Field notes Bird watching Birds--Migration Feathers 1972-03-01 1972-05-31
Spring migration report from Pearl Knoop, Marble Rock Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Spring Parulidae | Warblers 1977-03-01 1977-05-31
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Audubon field notes, fall migration,1962 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-04 N/A
Audubon field notes, winter migration, 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-31 N/A
Audubon field notes, fall 1969 Field notes Bird watching Birds--Migration Weather 1969-08-01 1969-11-30
Audubon field notes, fall 1970 Field notes Bird watching Birds--Migration Weather 1970-08-01 1970-11-30
Audubon field notes for winter 1964-1965 contributed by Frederick W. Kent Field notes Bird declines Bird populations Bird watching Birds--Migration 1964-12-01 1965-02-28
Audubon field notes for spring 1964 migration contributed by Woodward H. Brown, June 7, 1964 Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-07 N/A
Audubon field notes, spring migration, 1963 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-03-01 1963-05-31
Audubon field notes for Des Moines, winter 1963-1964 Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-12-01 1964-02-28
Audubon field notes for summer 1965 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Laniidae | Shrikes 1965-06-01 1965-07-31
Audubon field notes for winter migration 1963-1964 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1963-12-01 1964-02-28
Audubon field notes for winter 1964-1965 contributed by Woodward H. Brown, April 3, 1965 Field notes Bird declines Bird watching Birds--Migration Icteridae | Blackbirds, Orioles, Meadowlarks, and allies 1965-04-03 N/A
Audubon field notes for fall migration, 1965 contributed by Woodward H. Brown Field notes Bird populations Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1965-08-01 1965-11-30
Audubon field notes contributed by Woodward H. Brown, June 6, 1966 Field notes Bird watching Birds--Migration Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather 1966-06-06 N/A
Audubon field notes summer migration 1964 contributed by Woodward H. Brown Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology Weather 1964-06-01 1964-07-31
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A